Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, hanh trinh, minh trang
cong thanh » dong thanh, cong trinh, cong tan
cua nhung » va nhung
cong hach » cong sach, cong khanh, trong hach
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((hanh trang) or (canh tranh)) cua nhung ((cong hach) OR (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh trang) OR (canh tranh)) cua nhung ((cong hach) OR (cong thanh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((hanh trang) or (canh tranh)) cua nhung ((cong hach) OR (cong thanh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh trang) or (canh tranh)) cua nhung ((cong hach) OR (cong thanh)) toan cao*.